Lamp



FIG. 1 is a top perspective view of a lamp showing the new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of the lamp shown in use with a ground spike; and,

FIG. 9 is a perspective view of the lamp shown in use with a floor stand.

The broken lines depict environmental structure that forms no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 